1. School of Biological and Chemical Sciences, Queen Mary University of London, London, UK
2. Key Laboratory of Southern Subtropical Plant Diversity, Fairy Lake Botanical Garden, Shenzhen and Chinese Academy of Sciences, Shenzen, PR China
3. Sino-Africa Joint Research Center, Chinese Academy of Science, Wuhan, PR China
4. Institute of Biophysics, Academy of Sciences of the Czech Republic, Brno, Czech Republic
5. Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, UK
6. Institut Botànic de Barcelona (IBB-CSIC-ICUB), Passeig del Migdia s/n, Parc de Montjuïc, Barcelona, Catalonia, Spain